private void ReadStream(Stream stream, HttpRequest request, string username, AsyncFileUploadProgress progress, AsyncFileUploadRequestParser parser)
{
const int bufferSize = 1024 * 4; // in bytes
byte[] buffer = new byte[bufferSize];
while (progress.BytesRemaining > 0)
{
int bytesRead = stream.Read(buffer, 0, Math.Min(progress.BytesRemaining, bufferSize));
progress.TotalBytesRead = bytesRead == 0
? progress.ContentLength
: (progress.TotalBytesRead + bytesRead);
if (bytesRead > 0)
{
parser.ParseNext(buffer, bytesRead);
progress.FileName = parser.CurrentFileName;
}
_cacheService.SetProgress(username, progress);
#if DEBUG
if (request.IsLocal)
{
// If the request is from local machine, the upload will be too fast to see the progress.
// Slow it down a bit.
System.Threading.Thread.Sleep(30);
}
#endif
}
}
private void ReadStream(Stream stream, HttpRequest request, string username, AsyncFileUploadProgress progress, AsyncFileUploadRequestParser parser)
{
const int bufferSize = 1024 * 4; // in bytes
byte[] buffer = new byte[bufferSize];
while (progress.BytesRemaining > 0)
{
int bytesRead = stream.Read(buffer, 0, Math.Min(progress.BytesRemaining, bufferSize));
progress.TotalBytesRead = bytesRead == 0
? progress.ContentLength
: (progress.TotalBytesRead + bytesRead);
if (bytesRead > 0)
{
parser.ParseNext(buffer, bytesRead);
progress.FileName = parser.CurrentFileName;
}
_cacheService.SetProgress(username, progress);
#if DEBUG
if (request.IsLocal)
{
// If the request is from local machine, the upload will be too fast to see the progress.
// Slow it down a bit.
System.Threading.Thread.Sleep(30);
}
#endif
}
}
private void PostAuthorizeRequest(object sender, EventArgs e)
{
HttpApplication app = sender as HttpApplication;
if (!app.Context.User.Identity.IsAuthenticated)
{
return;
}
if (!IsAsyncUploadRequest(app.Context))
{
return;
}
var username = app.Context.User.Identity.Name;
if (string.IsNullOrEmpty(username))
{
return;
}
HttpRequest request = app.Context.Request;
string contentType = request.ContentType;
int boundaryIndex = contentType.IndexOf("boundary=", StringComparison.OrdinalIgnoreCase);
string boundary = "--" + contentType.Substring(boundaryIndex + 9);
var requestParser = new AsyncFileUploadRequestParser(boundary, request.ContentEncoding);
var headers = request.Headers;
string uploadTracingKey = UploadHelper.GetUploadTracingKey(headers);
var progress = new AsyncFileUploadProgress(request.ContentLength);
var uploadKey = username + uploadTracingKey;
_cacheService.SetProgress(uploadKey, progress);
if (request.ReadEntityBodyMode != ReadEntityBodyMode.None)
{
return;
}
Stream uploadStream = request.GetBufferedInputStream();
Debug.Assert(uploadStream != null);
ReadStream(uploadStream, request, uploadKey, progress, requestParser);
}
private void PostAuthorizeRequest(object sender, EventArgs e)
{
HttpApplication app = sender as HttpApplication;
if (!app.Context.User.Identity.IsAuthenticated)
{
return;
}
if (!IsAsyncUploadRequest(app.Context))
{
return;
}
var username = app.Context.User.Identity.Name;
if (String.IsNullOrEmpty(username))
{
return;
}
HttpRequest request = app.Context.Request;
string contentType = request.ContentType;
int boundaryIndex = contentType.IndexOf("boundary=", StringComparison.OrdinalIgnoreCase);
string boundary = "--" + contentType.Substring(boundaryIndex + 9);
var requestParser = new AsyncFileUploadRequestParser(boundary, request.ContentEncoding);
var progress = new AsyncFileUploadProgress(request.ContentLength);
_cacheService.SetProgress(username, progress);
if (request.ReadEntityBodyMode != ReadEntityBodyMode.None)
{
return;
}
Stream uploadStream = request.GetBufferedInputStream();
Debug.Assert(uploadStream != null);
ReadStream(uploadStream, request, username, progress, requestParser);
}
public static void SetProgress(this ICacheService cacheService, string username, AsyncFileUploadProgress progress)
{
string cacheKey = GetUpdateCacheKey(username);
cacheService.SetItem(cacheKey, progress, TimeSpan.FromHours(1));
}
public static void SetProgress(this ICacheService cacheService, string username, AsyncFileUploadProgress progress)
{
string cacheKey = GetUpdateCacheKey(username);
cacheService.SetItem(cacheKey, progress, TimeSpan.FromHours(1));
}